| Item Name | Nut Plain Extended Washer Hexago |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-644-0981 (016440981) |
| NCB Code | USA (01) |
| Manufacturer | Spiralock Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM |
| CMLP | THREAD QUANTITY PER INCH | 2A |
| MATT | MATERIAL | STEEL OVERALL |
| AAJE | THREAD PITCH DIAMETERS | -18.5 TO 25.0 INCHES |
| AAVX | WASHER OUTSIDE DIAMETER | 0.440 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.328 INCHES MAXIMUM |
| ADEM | WASHER THICKNESS | 0.050 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| Components Related to NSN - 5310-01-644-0981, 5310016440981 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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